//#include<stdio.h>
//#include<stdlib.h>
//#include<malloc.h>
//int main(void){
//int*p = (int*)calloc(5,4);
//int i = 0;
//for(i= 0; i<5;i++){
//printf("%d",p[i]);
//}
//free(p);
//system("pause");
//return 0;
//}